Nitrile Cock Ring Set will come in five colors: Black, Blue, Crimson, Red and White-colored Each offered individually. 3-pack of various sized rings. These amazingly durable cock rings are constructed with 100% skin-safe nitrile, exactly the same materials in hospital mitts. Nitrile cock-rings are strong yet flexible, snapping to shape after each use. Nitrile is really a latex-free, strong and versatile material. Since it is latex-free, nitrile is really a preferred cock ring material for males with rubber allergic reactions. And never fear, they're suitable for silicone & water-based lubes! Set includes 1.25 inches, 1.5 inches and a pair of inches. Nitrile Cock Ring Black Set from Spartacus A Love For Quality Catalog page 21. Made in the united states. New images added Feb 10, 2013. - old